<!--http://www.runoob.com/bootstrap/bootstrap-navbar.html-->
<nav class="navbar navbar-inverse navbar-fixed-top">

  <div class="container">
    <div class="navbar-header">
      <button class="navbar-toggle" data-toggle="collapse" data-target="#example-navbar-collapse">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a href="#" class="navbar-brand">这些键盘</a>
    </div>

    <div class="collapse navbar-collapse" id="example-navbar-collapse">
      <ul class="nav navbar-nav">
        <li><a href="#">gg</a></li>
        <li><a href="#">ddd</a></li>
        <li><a href="#">fdg</a></li>
      </ul>
    </div>


  </div>



</nav>
